More stories about Joints

A guide to best practices for product selection, installation, and repair of vinyl siding. How to identify better-quality products, and minimize problems by using sound installation and repair techniques.

Late last year, a couple called me about some leaking windows on the back of their 5-year-old stucco house. My company hadn't built the home; it was part of a tract development in Southeastern Pennsylvania thrown up during the recent housing boom.

Q: I've completed a couple of projects with cellular PVC trim boards, and in both of them wide gaps have opened up in the joints even though we used both glue and nails during installation. Is there a way to prevent these gaps from occurring?